:root{--bg: #ffffff;--bg2: #f5f5f5;--fg: #1a1a1a;--fg2: #555;--border: #ddd;--accent: #2563eb;--accent-hover: #1d4ed8;--success: #16a34a;--error: #dc2626;--font: "Segoe UI", system-ui, -apple-system, sans-serif;--mono: "Cascadia Code", "Fira Code", "Consolas", monospace;--radius: 6px}[data-theme=dark]{--bg: #0f172a;--bg2: #1e293b;--fg: #e2e8f0;--fg2: #94a3b8;--border: #334155;--accent: #3b82f6;--accent-hover: #60a5fa}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{font-family:var(--font);background:var(--bg);color:var(--fg);line-height:1.5}.app{max-width:1200px;margin:0 auto;padding:1rem}.toolbar{display:flex;align-items:center;gap:.75rem;padding:.75rem 0;border-bottom:1px solid var(--border);margin-bottom:1rem;flex-wrap:wrap}.toolbar h1{font-size:1.25rem;font-weight:700}.toolbar-actions{display:flex;align-items:center;gap:.5rem}.toolbar-spacer{flex:1}.toolbar-utils{display:flex;align-items:center;gap:.5rem}.toolbar h1 span{color:var(--accent)}.btn{padding:.4rem .9rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg2);color:var(--fg);cursor:pointer;font-size:.85rem;font-family:var(--font);transition:background .15s}.btn:hover{background:var(--border)}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover)}.dropdown{position:relative}.dropdown-menu{position:absolute;top:100%;left:0;z-index:100;min-width:280px;margin-top:4px;background:var(--bg);border:1px solid var(--border);border-radius:6px;box-shadow:0 4px 12px #00000026;padding:4px 0}.dropdown-item{display:block;width:100%;padding:8px 12px;border:none;background:none;color:var(--fg);text-align:left;font-size:.85rem;cursor:pointer;white-space:nowrap}.dropdown-item:hover{background:var(--bg2)}.main-grid{display:grid;grid-template-columns:340px 1fr;gap:1rem}@media(max-width:800px){.main-grid{grid-template-columns:1fr}}.panel{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1rem}.panel h2{font-size:.9rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--fg2);margin-bottom:.75rem}.data-textarea{width:100%;min-height:220px;font-family:var(--mono);font-size:.82rem;padding:.5rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--fg);resize:vertical}.data-textarea::placeholder{color:var(--fg2)}.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem 1rem}.result-item{display:flex;flex-direction:column}.result-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--fg2)}.result-value{font-size:1.1rem;font-weight:600;font-family:var(--mono)}.result-ci{font-size:.75rem;color:var(--fg2);font-family:var(--mono)}.chart-container{width:100%;min-height:400px}.right-col{display:flex;flex-direction:column;gap:1rem}.status-msg{padding:.5rem;font-size:.85rem;color:var(--fg2);text-align:center}.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}.panel-header h2{margin-bottom:0}.panel-header-actions{display:flex;gap:.4rem}.btn-sm{padding:.2rem .5rem;font-size:.75rem}.file-input-hidden{display:none}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--surface, #fff);border-radius:12px;padding:24px;max-width:480px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:0 8px 32px #0003;color:var(--text, #212529)}.modal-content h3{margin:0 0 16px;font-size:18px}.modal-content label{display:block;font-size:13px;font-weight:500;margin:12px 0 4px;color:var(--text2, #6c757d)}.modal-content textarea,.modal-content input,.modal-content select{width:100%;padding:8px 10px;border:1px solid var(--border, #dee2e6);border-radius:6px;font-size:13px;background:var(--bg, #f8f9fa);color:var(--text, #212529);font-family:inherit;box-sizing:border-box}.modal-content textarea:focus,.modal-content input:focus,.modal-content select:focus{outline:none;border-color:var(--accent, #0d6efd)}.radio-group{display:flex;gap:8px}.radio-group label{padding:6px 12px;border:1px solid var(--border, #dee2e6);border-radius:6px;cursor:pointer;font-size:12px;display:flex;align-items:center;gap:4px;margin:0;color:var(--text, #212529)}.radio-group label.active{border-color:var(--accent, #0d6efd);background:color-mix(in srgb,var(--accent, #0d6efd) 10%,transparent)}.radio-group input{display:none}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.modal-actions button{padding:8px 20px;border-radius:6px;border:1px solid var(--border);cursor:pointer;font-size:13px;font-weight:500;background:var(--surface);color:var(--text);transition:all .15s}.modal-actions .btn-primary{background:var(--accent, #2563eb);color:#fff;border-color:var(--accent, #2563eb)}.modal-actions .btn-primary:hover{opacity:.9}.modal-actions button:hover{background:var(--panel, #f0f0f0);border-color:var(--text-muted, #888)}.modal-actions .btn-primary:disabled{opacity:.5;cursor:not-allowed}.github-link{font-size:11px;color:var(--text2, #6c757d);text-decoration:none;padding:0 4px}.github-link:hover{text-decoration:underline}